#!/usr/bin/env python

__author__ = "Mia Stein"

import sys
from scapy.all import *


DEST = '192.168.1.25'

def scan_port():
    packet=IP(dst=DEST)/TCP(dport=(1,100),flags="S")
    responded, unanswered = sr(packet, timeout=10, verbose=0)
    if responded:
        print "List of all open ports in: " + DEST
        for a in responded:
            if a[1][1].flags == 18:
                print a[1].sport
    else:
        print "All ports in %s are closed." %DEST

if __name__ == '__main__':
    scan_port()